package hust.music.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

/**
 * EncodingFilter
 * 
 * @author Txazo
 * @since 1.0
 */
public class EncodingFilter implements Filter {

	/** 字符编码 */
	private String encoding;

	@Override
	public void init(FilterConfig config) throws ServletException {
		this.encoding = config.getInitParameter("encoding");
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		request.setCharacterEncoding(this.getEncoding());
		response.setCharacterEncoding(this.getEncoding());
		chain.doFilter(request, response);
	}

	@Override
	public void destroy() {

	}

	public String getEncoding() {
		return encoding;
	}

	public void setEncoding(String encoding) {
		this.encoding = encoding;
	}

}